57895041661 has 2 divisors, whose sum is σ = 57895041662. Its totient is φ = 57895041660.

The previous prime is 57895041647. The next prime is 57895041689. The reversal of 57895041661 is 16614059875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46405345561 + 11489696100 = 215419^2 + 107190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57895041661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57895041599 and 57895041608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57895041601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28947520830 + 28947520831.

It is an arithmetic number, because the mean of its divisors is an integer number (28947520831).

Almost surely, 2^57895041661 is an apocalyptic number.

It is an amenable number.

57895041661 is a deficient number, since it is larger than the sum of its proper divisors (1).

57895041661 is an equidigital number, since it uses as much as digits as its factorization.

57895041661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 57895041661 in words is "fifty-seven billion, eight hundred ninety-five million, forty-one thousand, six hundred sixty-one".